Home / 1,174,454.40-1,621,005.12-772,083.84

Finding the Fourth Proportional to 1,174,454.40, 1,621,005.12 and 772,083.84

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Solution

The fourth proportional to 1,174,454.40, 1,621,005.12 and 772,083.84 is: 1,065,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,454.40 : 1,621,005.12 = 772,083.84 : x
  2. Step 2: Convert to fraction form
    1,174,454.40/1,621,005.12 = 772,083.84/x
  3. Step 3: Cross multiply
    1,174,454.40x = 1,621,005.12 × 772,083.84
  4. Step 4: Simplify right side
    1,174,454.40x = 1,251,551,857,709.26
  5. Step 5: Solve for x
    x = 1,251,551,857,709.26/1,174,454.40
  6. Step 6: Final answer
    x = 1,065,645.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.